Zion, Grand Canyon, Yellowstone, Yosemite, and Glacier are among the most popular U.S. national parks—here's how to get off the beaten path when visiting.

Test your knowledge of Yosemite National Park with this quiz! Answer questions about its famous landmarks, history, wildlife, ...

The U.S. is once again withdrawing from the United Nations' UNESCO program with the Trump administration labeling the ...

The United States on Tuesday withdrew from the United Nations Educational, Scientific and Cultural Organization (UNESCO), ...

UNESCO runs the influential World Heritage Sites program. There are 26 UNESCO World Heritage sites in the United States ...